CN110856071A

CN110856071A - TWS earphone system, TWS earphone and earphone charging box

Info

Publication number: CN110856071A
Application number: CN201911149492.XA
Authority: CN
Inventors: 曹中利; 田迎晓
Original assignee: Goertek Inc
Current assignee: Goertek Inc
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-02-28
Anticipated expiration: 2039-11-21
Also published as: CN110856071B

Abstract

The invention discloses a TWS earphone system, which comprises an earphone body with an elastic lock tongue and a positioning groove for limiting the position of the earphone body, wherein a lock catch component and an elastic pad are fixedly arranged on the positioning groove; when the elastic lock tongue is pressed down to the first position, the elastic lock tongue is locked with the lock catch assembly, the earphone body is abutted against the elastic pad, and the earphone body is positioned; when the elastic bolt is continuously pressed to the second position, the elastic cushion recovers elastic deformation to assist the elastic bolt to move upwards until the elastic bolt is separated from the lock catch assembly, and the earphone body is released. The locking force generated when the elastic lock tongue is locked with the lock catch assembly and the elastic force applied to the earphone body by the elastic cushion jointly limit the position of the earphone body, the earphone body is prevented from being limited in a single direction by utilizing the buckling force, the magnet is prevented from being laid, the positioning is reliable, and the occupied space is small, so that the TWS earphone system provided by the invention can improve the structural compactness and the positioning reliability. The invention also discloses a TWS earphone and an earphone charging box.

Description

TWS earphone system, TWS earphone and earphone charging box

Technical Field

The invention relates to the technical field of earphones, in particular to a TWS earphone system. The invention also relates to a TWS headset and a headset charging box.

Background

TWS earphone, real wireless stereo earphone promptly utilizes the bluetooth to connect and replaces the physical wire rod, and it is more convenient to use, is prepared with consumer's favor.

The existing TWS headset is generally equipped with a charging box having charging and storage functions, the TWS headset has a charging contact pin, the charging box has a power supply contact pin abutting against the charging contact pin, and in view of that the contact area between the charging contact pin and the power supply contact pin is generally small, in order to realize stable charging, the TWS headset is generally required to be fixed in the charging box, however, the fixing mode of the existing TWS headset still has some defects:

the charging box generally comprises an upper shell and a lower shell which are pivoted with each other, a positioning groove for limiting the position of the TWS earphone is arranged between the upper shell and the lower shell, and considering that a consumer conveniently takes the TWS earphone, the size of a cavity of the positioning groove is generally slightly larger than the external dimension of the TWS earphone, so that the position of the TWS earphone cannot be reliably limited by the positioning groove;

further, be provided with the different magnet of polarity between the constant head tank of box that charges and the TWS earphone, make things convenient for the TWS earphone to utilize magnetic attraction to fix a position, for realizing reliable location, need the magnet of distribution large tracts of land usually, a large amount of magnets make the structure of box that charges not compact because of occupation space is great, and the magnet that distributes by a large scale still probably makes the TWS earphone have the risk of dislocation, influences the reliability of location.

Therefore, how to optimize the fixing manner of the TWS headset and the charging box in the prior art to improve the structure compactness and the positioning reliability is a technical problem to be solved urgently by those skilled in the art.

Disclosure of Invention

In view of the above, an object of the present invention is to provide a TWS headset system, a TWS headset and a headset charging box, in which the headset body is locked or unlocked by an elastic latch and a latch assembly, and the headset body is supported by an elastic pad, so that the headset body is prevented from shaking, and the occupied space is small, thereby facilitating to improve the structural compactness and the positioning reliability.

The invention provides a TWS earphone system, which comprises an earphone body with an elastic bolt and a positioning groove for limiting the position of the earphone body, wherein a lock catch component and an elastic pad are fixedly arranged on the positioning groove;

when the elastic lock tongue is pressed down to the first position, the elastic lock tongue is locked with the lock catch assembly, the earphone body is abutted against the elastic pad, and the earphone body is positioned;

when the elastic bolt is continuously pressed to the second position, the elastic cushion recovers elastic deformation to assist the elastic bolt to move upwards until the elastic bolt is separated from the lock catch assembly, and the earphone body is released.

Preferably, the elastic bolt comprises a bolt which can be slidably arranged on the earphone body, and the lock catch assembly comprises a lock cylinder and a guide ring, wherein the end part of the lock cylinder is provided with a lock cap and is fixedly arranged on the positioning groove, and the guide ring can be slidably sleeved on the lock cylinder;

when the lock tongue descends to abut against the lock cap, the lock cap pushes the lock tongue to slide in the direction far away from the lock cap until the lock tongue moves to the first position and then resets to abut against the bottom of the lock cap;

when the spring bolt descends from the first position to abut against the guide ring, the guide ring pushes the spring bolt to slide along the direction far away from the guide ring until the spring bolt moves to the second position and then resets, and the spring bolt pushes the guide ring to move upwards along the lock column to abut against the lock cap so that the guide ring guides the spring bolt to separate from the lock cap.

Preferably, the bottom of spring bolt is equipped with the cooperation inclined plane, and the top of lock cap is equipped with and cooperates the top of inclined plane in order to promote the gliding top of spring bolt to push.

Preferably, the top end of the guide ring is provided with a driving inclined surface which is matched with the matching inclined surface to push the lock tongue to slide.

Preferably, the bottom end of the guide ring is provided with a guide inclined surface for guiding the bolt to be separated from the guide ring and the lock cap.

Preferably, the earphone body is fixedly provided with a bolt support, the elastic bolt further comprises a lock rod connected with the bolt and slidably mounted on the bolt support and an elastic piece mounted on the lock rod, two ends of the elastic piece respectively abut against the bolt and the bolt support, and one end of the lock rod, far away from the bolt, is provided with a stop block for preventing the lock rod from separating from the bolt support.

Preferably, the outer diameter of the locking cap is equal to the outer diameter of the guide ring.

Preferably, the constant head tank internal stability is equipped with the fixed column, and the lock is kept away from the one end detachably of lock cap and is fixed in the fixed column, and the external diameter of fixed column equals the bottom external diameter of guide ring.

The invention also provides a TWS earphone which comprises the earphone body.

The invention further provides an earphone charging box, which comprises a middle shell, wherein the middle shell is provided with the positioning groove.

Against this background, the TWS headphone system provided by the present invention includes a headphone body and a detent, so that the position of the headphone body is preliminarily defined by the detent.

The earphone body is pressed downwards to be located in the locating groove, the earphone body drives the elastic spring bolt to move downwards synchronously, when the elastic spring bolt moves downwards to the first position, the elastic spring bolt is locked with the lock catch assembly, meanwhile, the earphone body is abutted to the elastic pad, the elastic spring bolt is fixed in the locating groove under the combined action of the lock catch assembly and the elastic pad, the earphone body is fully limited in multiple directions, and therefore the earphone body is located. Continue to push down the earphone body, the earphone body drives the elasticity spring bolt and falls to the second by first position, loosens the earphone body, is recovered elastic deformation by extruded cushion, and the cushion is supplementary to be moved up the elasticity spring bolt, makes elasticity spring bolt and hasp subassembly break away from the contact, and the release is realized to the earphone body, conveniently takes out the earphone body.

By the above, the locking force generated when the elastic lock tongue is locked with the lock catch assembly and the elastic force combined action of the elastic cushion applied to the earphone body can fully limit the position of the earphone body, the earphone body is prevented from being limited by the buckling force in the single direction, the earphone body is prevented from being limited by the magnetic attraction force, the earphone body is prevented from shaking relative to the positioning groove due to unreasonable limitation mode, the limiting precision is high, and the limiting is reliable. In addition, the invention can avoid laying magnets in large area, and has the advantages of reduced occupied space and compact structure.

Therefore, the TWS earphone system provided by the invention can optimize the fixing mode of the earphone body, thereby improving the structure compactness and the positioning reliability.

The TWS earphone and the earphone charging box provided by the invention have the same beneficial effects.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a partial cross-sectional view of a TWS headset system provided in accordance with an embodiment of the present invention;

FIG. 2 is an exploded view of FIG. 1;

fig. 3 is an exploded view of the resilient latch bolt and catch assembly of fig. 1;

fig. 4 is a block diagram of the resilient latch bolt of fig. 3;

fig. 5 is a structural view of a lower case of the headset of fig. 1;

FIG. 6 is a block diagram of the intermediate shell of FIG. 1;

fig. 7 is an enlarged view of a portion a of the resilient latch bolt of fig. 1 in an initial state;

fig. 8 is an enlarged view of a portion of the resilient latch bolt of fig. 1 in the first position a;

fig. 9 is an enlarged view of a portion of the resilient latch bolt of fig. 1 in the first position a;

fig. 10 is a partially enlarged view of a portion a of the resilient latch bolt of fig. 1 when pushing the guide ring to move up against the lock nut;

fig. 11 is an enlarged view of a portion of the resilient latch bolt of fig. 1 about to disengage from the locking nut.

The reference numbers are as follows:

the earphone comprises an earphone body 1, a lower shell 2, a middle shell 3 and an upper shell 4;

the earphone comprises an elastic bolt 10, an upper earphone shell 11, a lower earphone shell 12 and earplugs 13;

a bolt support 101, a bolt 102, a lock lever 103, a stopper 104 and an elastic member 105;

a mating ramp 1021;

a relief hole 120;

a positioning groove 31, a locking assembly 32, an elastic pad 33 and a fixing column 34;

a locking cap 321, a locking post 322 and a guide ring 323;

a pushing inclined surface 3211;

a drive ramp 3231 and a guide ramp 3232.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific examples.

Referring to fig. 1 to 6, fig. 1 is a partial cross-sectional view of a TWS headset system according to an embodiment of the invention; FIG. 2 is an exploded view of FIG. 1; fig. 3 is an exploded view of the resilient latch bolt and catch assembly of fig. 1; fig. 4 is a block diagram of the resilient latch bolt of fig. 3; fig. 5 is a structural view of a lower case of the headset of fig. 1; fig. 6 is a structural view of the middle case of fig. 1.

The embodiment of the invention discloses a TWS (two way communication) earphone system, which has the key improvement point that the fixing mode of an earphone body 1 in a charging box is optimized, so that the earphone body 1 is fully limited.

The earphone comprises an earphone body 1 and a positioning groove 31, wherein the earphone body 1 comprises an earphone upper shell 11, an earphone lower shell 12 and earplugs 13, the earphone upper shell 11 and the earphone lower shell 12 are buckled, and the earplugs 13 are arranged on the earphone lower shell 12 and are specifically silica gel earplugs. It should be noted that, the structure and the operation principle of the earphone body 1 herein can refer to the prior art specifically, and are not described in detail herein.

The positioning groove 31 has a plurality of irregular curved surfaces which are matched with the earphone body 1, and the bottom surface shape of the lower earphone shell 12 is matched with the shapes of the respective irregular curved surfaces of the positioning groove 31, so that the position of the earphone body 1 is preliminarily limited by the positioning groove 31.

It is critical that the earphone body 1 has a resilient latch 10, and a locking assembly 32 and a resilient pad 33 are disposed in the positioning groove 31, wherein the resilient latch 10 can be selectively locked with the locking assembly 32, and the resilient pad 33 can be used to support the earphone body 1. In this embodiment, the elastic pad 33 is preferably a foam adhered to the positioning groove 31, but is not limited thereto.

The earphone body 1 is pressed downwards, the earphone body 1 is made to fall into the positioning groove 31, the earphone body 1 drives the elastic bolt 10 to move downwards synchronously, when the elastic bolt 10 moves downwards to the first position, the elastic bolt 10 is locked with the locking component 32, meanwhile, the earphone body 1 is abutted against the elastic pad 33, the elastic bolt 10 is fixed in the positioning groove 31 under the combined action of the locking component 32 and the elastic pad 33, the earphone body 1 is made to be fully limited in multiple directions, and therefore the earphone body 1 is made to achieve positioning.

Continue to push down earphone body 1, earphone body 1 drives elastic bolt 10 and descends to the second position by first position, loosens earphone body 1, and by extruded cushion 33 recovery elastic deformation, cushion 33 assists elastic bolt 10 to shift up, makes elastic bolt 10 and hasp subassembly 32 break away from the contact, and earphone body 1 realizes the release, conveniently takes out earphone body 1.

In summary, the position of the earphone body 1 can be fully limited by the combined action of the locking force generated when the resilient latch 10 is locked with the locking assembly 32 and the resilient force applied to the earphone body 1 by the resilient pad 33, so as to avoid the limitation of the earphone body 1 in one direction by the locking force and the limitation of the earphone body 1 by the magnetic attraction, and prevent the earphone body 1 from shaking relative to the positioning groove 31 due to the unreasonable limitation manner, so that the limitation precision is high and the limitation is more reliable. In addition, the invention can avoid laying magnets in large area, and has the advantages of reduced occupied space and compact structure. Therefore, the TWS headset system provided by the present invention can optimize the fixing manner of the headset body 1, thereby improving the structural compactness and the positioning reliability.

In this embodiment, the elastic latch 10 includes a latch 102 slidably mounted in the earphone body 1, and based on the current view in fig. 1, the earphone body 1 moves along the longitudinal axis direction, and the latch 102 moves along the transverse axis direction, that is, the sliding direction of the latch 102 is perpendicular to the movement of the earphone body 1, and refer to the arrow indicated in the drawing specifically.

Specifically, a latch bolt support 102 is fixed in the earphone body 1, and the elastic latch bolt 10 further includes a lock lever 103 and an elastic member 105, wherein the latch bolt 102 is fixedly disposed at one end of the lock lever 103, and the lock lever 103 is slidably mounted on the latch bolt support 102. The elastic member 105 is sleeved on the lock bar 103, and two ends of the elastic member 105 respectively abut against the lock tongue 102 and the lock tongue support 102, so as to assist the lock tongue 102 to automatically reset. The elastic member 105 is embodied as a general cylindrical spring, but is not limited thereto. It should be noted that, in the initial state, i.e. when the latch tongue 102 is not under force, the elastic member 105 is in the energy storage compressed state.

To prevent the lock lever 103 from being disengaged from the bolt support 102 during sliding, a stop block 104 is provided at an end of the lock lever 103 remote from the bolt 102. In this embodiment, the stop block 104, the lock bar 103 and the latch bolt 102 are integrally connected, and accordingly, the latch bolt support 102 is provided with a guide groove for the lock bar 103 to pass through, and the guide groove is preferably a groove having an opening for easy installation of the lock bar 103. In this embodiment, the guide groove is embodied with a constriction

The shape groove uses the necking to limit the lock rod 103 to be separated from the guide groove, and the cross section of the lock rod 103 can be cylindrical or elliptical with the short axis equal to the width of the necking. Of course, the stopping block 104, the lock bar 103 and the lock tongue 102 may also be connected in a split manner, for example, the lock tongue 102 and the stopping block 104 are respectively fixed at two ends of the lock bar 103 by using a threaded connection, and at this time, the guide groove may be a cylindrical groove.

The locking assembly 32 includes a locking cylinder 322 having a locking cap 321 and a guiding ring 323, the locking cylinder 322 is fixed in the positioning slot 31, the guiding ring 323 is sleeved on the locking cylinder 322, and the guiding ring 323 can slide along the locking cylinder 322. In this embodiment, the locking cap 321 is fixedly disposed at an end of the locking post 322 away from the positioning slot 31, and the locking cap 321 is cylindrical, and accordingly, the locking tongue 102 has a semi-arc groove to facilitate the locking tongue 102 to abut against the locking cap 321. Of course, the structure of the locking cap 321 is not limited thereto.

The bolt 102 enters the positioning slot 31 along with the earphone body 1, when the bolt 102 descends to abut against the lock cap 321, the lock cap 321 pushes the bolt 102 to move in a direction away from the lock cap 321, and the elastic element 105 is compressed; when the latch 102 moves down to the first position, the latch 102 and the locking cap 321 are staggered in the longitudinal axis direction, the elastic element 105 returns to the initial state, the latch 102 is reset under the action of the elastic element 105, the latch 102 abuts against the bottom of the locking cap 321, the elastic pad 33 is pressed, the elastic latch 10 is locked with the locking assembly 32, and the earphone body 1 is positioned.

The earphone body 1 is pressed continuously, the earphone body 1 drives the bolt 102 to move downwards continuously, when the bolt 102 descends from the first position to be abutted against the guide ring 323, the guide ring 323 pushes the bolt 102 to slide in the direction away from the guide ring 323, and the elastic piece 105 is compressed again; when the bolt 102 continues to move downwards to the second position, the bolt 102 and the guide ring 323 are staggered in the longitudinal axis direction, the elastic element 105 recovers deformation, the bolt 102 is reset under the action of the elastic element 105, the bolt 102 is enabled to be abutted against the bottom of the guide ring 323, and the elastic pad 33 is squeezed again; when the earphone body 1 is released, the elastic pad 33 recovers elastic deformation, the elastic pad 33 drives the lock tongue 102 to move upwards, the lock tongue 102 pushes the guide ring 323 to move upwards along the lock column 322 until the guide ring 323 abuts against the lock cap 321, then the guide ring 323 guides the lock tongue 102 to separate from the lock cap 321, and the earphone body 1 is released.

In this embodiment, it should be noted that the maximum axial distance between the locking cap 321 and the guiding ring 323 is greater than the thickness of the locking tongue 102, so as to ensure that the locking tongue 102 and the locking cap 321 are sufficiently abutted. Further, the friction between the lock cylinder 322 and the guide ring 323 is smaller than the friction between the lock tongue 102 and the guide ring 323, so that the lock tongue 102 reliably pushes the guide ring 323 to move upwards.

To improve the reliability, the bottom end of the latch bolt 102 is provided with a matching inclined surface 1021, and correspondingly, the top end of the lock cap 321 is provided with a pushing inclined surface 3211, and the pushing inclined surface 3211 is matched with the matching inclined surface 1021, so that the latch bolt 102 is pushed to slide by the pushing inclined surface 3211. In this embodiment, the matching inclined surface 1021 is a semicircular ring, the pushing inclined surface 3211 is a circular ring, the matching inclined surface 1021 is an inclined surface formed by a chamfer disposed at the bottom end of the lock tongue 102, and the pushing inclined surface 3211 is an inclined surface formed by a chamfer disposed at the top end of the guide ring 323.

Further, the top end of the guide ring 323 is provided with a driving inclined surface 3231, and the driving inclined surface 3231 is matched with the matching inclined surface 1021 of the latch bolt 102, so that the guide ring 323 reliably pushes the latch bolt 102 to slide. In this embodiment, the driving slope 3231 is also annular, and the driving slope 3231 is specifically a slope formed by a chamfer provided at the top end of the guide ring 323.

Further, the bottom end of the guide ring 323 is provided with a guide slope 3232, and the guide slope 3232 is engaged with the top end of the latch bolt 102 to guide the latch bolt 102 to be sequentially separated from the guide ring 323 and the locking cap 321. In this embodiment, the top end of the locking tongue 102 is provided with a transition rib, where the transition rib is formed by two mutually perpendicular planes, and the transition rib and the guide inclined plane 3232 are always kept against each other in the process that the locking tongue 102 pushes the guide ring 323 to move upwards; when the guiding ring 323 abuts against the locking cap 321, the transition rib slides relative to the guiding inclined surface 3232 under the action of external force, so that the locking bolt 102 is conveniently separated from the guiding ring 323 and the locking cap 321.

Importantly, in this embodiment, the outer peripheral surface of the locking cap 321 and the outer peripheral surface of the guide ring 323 are both cylindrical, and the outer diameter of the locking cap 321 is equal to the outer diameter of the guide ring 323, so as to prevent the locking tongue 102 from being dislocated with the guide ring 323 in the horizontal axis direction during the downward movement, and prevent the locking tongue 102 from being locked with the locking cap 321 during the upward movement, thereby ensuring the smooth movement of the locking tongue 102 in the longitudinal axis direction.

In addition, the fixed column 34 is fixedly arranged in the positioning groove 31, one end, far away from the lock cap 321, of the lock column 322 is detachably fixed on the fixed column 34, the fixed column 34 is provided with a thread groove, and the lock column 322 is provided with a screw rod, so that the lock column 322 is fixed on the fixed column 34 through threaded connection. The fixing post 34 and the middle housing 3 may be integrally formed by injection molding, and of course, in order to improve the positioning accuracy of the locking post 322, the fixing post 34 may be a machine-threaded nut which is fixed in the positioning groove 31 by means of insert injection molding.

In order to enable the locking tongue 102 to push the guide ring 323 to move smoothly, the fixing post 34 is cylindrical, and the outer diameter of the fixing post 34 is equal to the outer diameter of the bottom end of the guide ring 323, so that the transition protruding edge of the locking tongue 102 can abut against the connecting protruding edge formed by the bottom surface of the guide ring 323 and the guide inclined surface 3232, and the locking tongue 102 can be conveniently and smoothly separated from the guide inclined surface 3232. It should be noted that the bottom end of the guide ring 323 herein does not include the guide slope 3232.

The earphone body 1 is provided with the avoiding hole 120 for the locking component 32 to pass through, and in view of the user experience, the avoiding hole 120 is provided with a dustproof pad for selectively blocking the avoiding hole 120, so that external foreign matters are prevented from entering the earphone body 1. In this embodiment, the dustproof pad includes a plurality of fan-shaped dustproof units, all of which enclose a disc-shaped structure, an outer edge of each fan-shaped dustproof unit is adhered to the edge of the avoiding hole 120, and each fan-shaped dustproof unit is made of silica gel.

When the locking assembly 32 is inserted into the avoidance hole 120, the tips of all the fan-shaped dustproof units are mutually dispersed, so that the locking assembly 32 can be conveniently inserted; when the locking assembly 32 drills out of the avoiding hole 120, the tips of all the fan-shaped dustproof units are gathered together to block the avoiding hole 120, so that the dustproof function is achieved. Of course, the structure of the dust-proof pad is not limited thereto.

Referring to fig. 7 to 11, fig. 7 is a partially enlarged view of a portion of the resilient latch bolt in fig. 1 in an initial state; fig. 8 is an enlarged view of a portion of the resilient latch bolt of fig. 1 in the first position a; fig. 9 is an enlarged view of a portion of the resilient latch bolt of fig. 1 in the first position a; fig. 10 is a partially enlarged view of a portion a of the resilient latch bolt of fig. 1 when pushing the guide ring to move up against the lock nut; fig. 11 is an enlarged view of a portion of the resilient latch bolt of fig. 1 about to disengage from the locking nut.

The working principle of the TWS earphone system provided by the invention is as follows:

firstly, the earphone body 1 is accommodated in the positioning groove 31;

when the earphone body 1 just enters the positioning groove 31, the earphone body 1 is not yet in contact with the positioning groove 31, as shown in fig. 7; after the earphone body 1 enters the positioning slot 31, the earphone body 1 is pressed downwards, the earphone body 1 drives the elastic bolt 10 to move downwards, when the bolt 102 descends to be abutted against the lock cap 321, the pushing inclined surface 3211 of the lock cap 321 pushes the matching inclined surface 1021 of the bolt 102 to move towards the direction far away from the lock cap 321, and the bolt 102 moves leftwards and extrudes the elastic element 105; the latch bolt 102 is pressed downwards continuously, after the latch bolt 102 moves downwards to the first position, the latch bolt 102 and the lock nut 321 are staggered in the longitudinal axis direction, the elastic element 105 drives the latch bolt 102 to move rightwards until the latch bolt 102 abuts against the bottom end of the lock nut 321, so that the elastic latch bolt 10 is locked with the lock catch assembly 32 to limit the earphone body 1 to move, as shown in fig. 8; meanwhile, the elastic pad 33 is pressed by the earphone body 1, the elastic pad 33 lifts the upward supporting force for the earphone body 1, and the earphone body 1 is further limited to move, so that the earphone body 1 is accommodated;

secondly, the earphone body 1 is taken out from the positioning groove 31;

when the latch 102 is pressed down continuously in a state that the latch 102 abuts against the bottom end of the lock cap 321, the earphone body 1 drives the latch 102 to move down continuously, and when the latch 102 descends from the first position to abut against the guide ring 323, the driving inclined surface 3231 of the guide ring 323 pushes the matching inclined surface 1021 of the latch 102 to slide in a direction away from the guide ring 323, and the latch 102 moves leftwards to press the elastic element 105; when the bolt 102 continues to move down to the second position, the bolt 102 is staggered with the guide ring 323 in the longitudinal axis direction, the elastic element 105 drives the bolt 102 to move right until the bottom ends of the guide ring 323 of the bolt 102 abut against each other, and the elastic pad 33 is squeezed again, as shown in fig. 9; when the earphone body 1 is released, the elastic pad 33 recovers the elastic deformation, and the elastic pad 33 assists the latch bolt 102 to move upwards until the guide ring 323 abuts against the lock cap 321, as shown in fig. 10; the earphone body 1 is lifted up, and the transition rib of the latch 102 moves up along the guide slope 3232 of the guide ring 323 until the latch 102 is sequentially separated from the guide ring 323 and the locking cap 321, as shown in fig. 11, thereby completing the release of the earphone body 1.

The invention also provides a TWS earphone which comprises the earphone body 11, the structure of the earphone body 11 specifically refers to the content, and the beneficial effect of the TWS earphone is the same as that of the TWS earphone system.

The invention further provides an earphone charging box, which is matched with the TWS earphone for use and comprises a middle shell 3, wherein the middle shell 3 is provided with the positioning groove 31, and the structure of the positioning groove 31 specifically refers to the content, so that the beneficial effect of the earphone charging box is the same as that of the TWS earphone system.

In addition, the invention also comprises a lower shell 2 and an upper shell 4, wherein the middle shell 3 is fixed in the lower shell 2, and the lower shell 2 is pivoted with the upper shell 4, so that a charging box with the functions of containing and charging is formed. Wherein the positioning slot 31 is fixed to the intermediate housing 3. In this embodiment, the middle case 3 is provided with two positioning grooves 31 which are bilaterally symmetrical, and each positioning groove 31 receives one earphone body 1. The structure and connection relationship of other components of the charging box can be specifically referred to the existing charging box, and the details are not described herein.

The TWS headset system, the TWS headset and the headset charging box provided by the present invention are described in detail above, and the principle and the implementation of the present invention are explained herein by applying specific examples, and the description of the above examples is only used to help understanding the method of the present invention and the core idea thereof; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims

1. A TWS earphone system is characterized by comprising an earphone body (11) with an elastic bolt (10) and a positioning groove (31) used for limiting the position of the earphone body (11), wherein a lock catch component (32) and an elastic pad (33) are fixedly arranged on the positioning groove (31);

when the elastic bolt (10) is pressed down to a first position, the elastic bolt (10) is locked with the lock catch component (32), the earphone body (11) is abutted against the elastic pad (33), and the earphone body (11) is positioned;

when the elastic bolt (10) is continuously pressed down to a second position, the elastic pad (33) restores elastic deformation to assist the elastic bolt (10) to move upwards until the elastic bolt is separated from the contact with the lock catch component (32), and the earphone body (11) realizes release.

2. The TWS headset system of claim 1, wherein the resilient latch (10) comprises a latch tongue (102) slidably mounted to the headset body (11), the latch assembly (32) comprising a lock cylinder (322) having a lock cap (321) at an end thereof and fixedly secured to the positioning slot (31) and a guide ring (323) slidably sleeved on the lock cylinder (322);

when the bolt (102) descends to abut against the lock nut (321), the lock nut (321) pushes the bolt (102) to slide in a direction away from the lock nut (321) until the bolt (102) moves downwards to the first position and then resets to abut against the bottom of the lock nut (321);

when the bolt (102) descends from the first position to abut against the guide ring (323), the guide ring (323) pushes the bolt (102) to slide in a direction away from the guide ring (323) until the bolt (102) moves downwards to the second position and then resets, and the bolt (102) pushes the guide ring (323) to move upwards along the lock column (322) to abut against the lock cap (321) so that the guide ring (323) guides the bolt (102) to disengage from the lock cap (321).

3. The TWS earphone system of claim 2, wherein the bottom end of the latch tongue (102) is provided with a mating inclined surface (1021), and the top end of the locking cap (321) is provided with a pushing inclined surface (3211) which is matched with the mating inclined surface (1021) to push the latch tongue (102) to slide.

4. A TWS earphone system as claimed in claim 3, wherein the top end of the guide ring (323) is provided with a driving ramp (3231) which cooperates with the cooperating ramp (1021) to push the latch tongue (102) to slide.

5. The TWS earphone system according to claim 4 wherein a bottom end of the guide ring (323) is provided with a guide ramp (3232) for guiding the latch tongue (102) out of the guide ring (323) and the locking cap (321).

6. The TWS earphone system according to any one of claims 2 to 5, wherein the earphone body (11) is fixedly provided with a bolt support (101), the elastic bolt (10) further comprises a lock rod (103) connected with the bolt (102) and slidably mounted on the bolt support (101) and an elastic member (105) mounted on the lock rod (103) and having two ends respectively abutting against the bolt (102) and the bolt support (101), and one end of the lock rod (103) far away from the bolt (102) is provided with a stop block (104) for preventing the lock rod (103) from disengaging from the bolt support (101).

7. A TWS earpiece system according to claim 6, wherein the outer diameter of the locking cap (321) is equal to the outer diameter of the guide ring (323).

8. The TWS earphone system according to claim 7, wherein a fixing post (34) is fixedly arranged in the positioning groove (31), one end of the locking post (322) far away from the locking cap (321) is detachably fixed on the fixing post (34), and the outer diameter of the fixing post (34) is equal to the outer diameter of the bottom end of the guide ring (323).

9. A TWS headset, characterized in that it comprises a headset body (11) according to any of claims 1 to 8.

10. An earphone charging box, characterized by comprising an intermediate housing (3), the intermediate housing (3) having a positioning slot (31) according to any one of claims 1 to 8.